package com.hgt.alibaba.controller;

import com.alibaba.csp.sentinel.annotation.SentinelResource;
import com.alibaba.csp.sentinel.slots.block.BlockException;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.util.Date;
import java.util.concurrent.TimeUnit;

/**
 * @author HuangGaoTao 929507053@qq.com
 * @Created: 2021/7/8 22:23
 */
@RestController
@Slf4j
public class FlowLimitController {

    @GetMapping("/testA")
    public String testA(){
        log.info(Thread.currentThread().getName()+"\t"+".............testA"+new Date());
        return "---------testA";
    }

    @GetMapping("/testB")
    public String testB(){
        return "----------testB";
    }



    //降级规则  RT平均响应时间
    @GetMapping("/testD")
    public String testD(){
        try {
            //暂停几秒钟线程
            TimeUnit.SECONDS.sleep(1);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        log.info("testD   测试RT-----------------------------------  ");
        return "--------------testD";
    }

        //降级规则 异常比例
        @GetMapping("/testC")
        public String testC()
        {

            log.info("testC 测试异常比例");
            int age = 10/0;
            return "---------------testC";
        }

     //降级规则  异常数
    @GetMapping("/testE")
    public String testE()
    {
        log.info("testE 测试异常数");
        int age = 10/0;
        return "------testE 测试异常数";
    }


    @GetMapping("/testHotKey")
    @SentinelResource(value = "testHotKey",blockHandler = "deal_testHotKey")
    public String testHotKey(@RequestParam(value = "p1",required = false) String p1,
                             @RequestParam(value = "p2",required = false) String p2) {
        int age = 10/0;
        return "testHotKey---------------------";
    }

    //自定义处理方法   sentinel系统默认的提示是 BLocked by Sentinel(flow limiting)
    public String deal_testHotKey(String p1, String p2, BlockException exception) {
        return "-----------------------deal_testHotKey,/(ㄒoㄒ)/~~";
    }
}
